diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/builtins/ppc/saveFP.S')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/builtins/ppc/saveFP.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/ppc/saveFP.S b/contrib/llvm-project/compiler-rt/lib/builtins/ppc/saveFP.S new file mode 100644 index 000000000000..1ef5532c8a83 --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/builtins/ppc/saveFP.S @@ -0,0 +1,42 @@ +//===-- saveFP.S - Implement saveFP ---------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// Helper function used by compiler to save ppc floating point registers in +// function prologs. This routines also saves r0 in the LR slot. +// If the compiler wants to save f27..f31, it does a "bl saveFP+52" +// +// This function should never be exported by a shared library. Each linkage +// unit carries its own copy of this function. +// +DEFINE_COMPILERRT_PRIVATE_FUNCTION_UNMANGLED(saveFP) + stfd f14,-144(r1) + stfd f15,-136(r1) + stfd f16,-128(r1) + stfd f17,-120(r1) + stfd f18,-112(r1) + stfd f19,-104(r1) + stfd f20,-96(r1) + stfd f21,-88(r1) + stfd f22,-80(r1) + stfd f23,-72(r1) + stfd f24,-64(r1) + stfd f25,-56(r1) + stfd f26,-48(r1) + stfd f27,-40(r1) + stfd f28,-32(r1) + stfd f29,-24(r1) + stfd f30,-16(r1) + stfd f31,-8(r1) + stw r0,8(r1) + blr + +NO_EXEC_STACK_DIRECTIVE + |